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skydive80020(at)yahoo.com
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 Posted: Fri Sep 04, 2009 9:41 pm Post subject: High oil pressure indications |
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--- On Fri, 9/4/09, mark phipps <skydive80020(at)yahoo.com> wrote:
| Quote: |
From: mark phipps <skydive80020(at)yahoo.com>
Subject: High oil pressure indications
To: lycoming(at)yahoogroups.com
Date: Friday, September 4, 2009, 9:22 PM
Since I finished my condition inspection 2 weeks ago I have flown 6 times. I an O320 with 240 hours and Grand Rapids engine monitor and EFIS. I have had a few instances of the oil pressure showing about 91 or 92 and alarming for about one minute, and then it goes down to the usual range around 60 to 65. During the last few flights it was around 86 to 88 during the first few muntes of flight and than back down to 65. Not sure if it is safe to fly or what the problem is. My guess is pressure sensor or relief valve. Any ideas.
Mark, RV6A, 240 hours
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Charles Heathco
Joined: 10 Jan 2006
Posts: 201
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| Posted: Sat Sep 05, 2009 2:44 am Post subject: High oil pressure indications |
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Maark, assuming you changed oil at the insp, did you pull the screen and check it? What oil you using?
[quote] ---
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rv8builder
Joined: 02 Jan 2009
Posts: 56
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| Posted: Sat Sep 05, 2009 4:24 am Post subject: High oil pressure indications |
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I have access to and fly a RV-6A with a O-320. Phillips X-C 20-50 oil
is used. I have noticed that when oil is 'cold' and for the first few
minutes of flight, the pressure is up to the 80-85 PSI range as you
describe. When the oil temp gets to 180-190, then the pressure goes
down to the 65 PSI range, again as you describe. All of these values
are measured with Vans gauges (of unknown accuracy and pedigree!). I
suspect that what your are seeing is normal. But this just one
opinion!!
Now please join me in my efforts to stomp out down aileron!!
Dale
On Sat, Sep 5, 2009 at 1:30 AM, mark phipps <skydive80020(at)yahoo.com> wrote:
| Quote: |
--- On Fri, 9/4/09, mark phipps <skydive80020(at)yahoo.com> wrote:
From: mark phipps <skydive80020(at)yahoo.com>
Subject: High oil pressure indications
To: lycoming(at)yahoogroups.com
Date: Friday, September 4, 2009, 9:22 PM
Since I finished my condition inspection 2 weeks ago I have flown 6 times. I an O320 with 240 hours and Grand Rapids engine monitor and EFIS. I have had a few instances of the oil pressure showing about 91 or 92 and alarming for about one minute, and then it goes down to the usual range around 60 to 65. During the last few flights it was around 86 to 88 during the first few muntes of flight and than back down to 65. Not sure if it is safe to fly or what the problem is. My guess is pressure sensor or relief valve. Any ideas.
Mark, RV6A, 240 hours
Recent Activity
1
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entertainment news
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Keep your kids
safe from bullying
.
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jsflyrv(at)verizon.net
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| Posted: Sat Sep 05, 2009 7:49 am Post subject: High oil pressure indications |
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Normal oil pressure range 65-85, idle 25 psi, I would rather see it
closer to 80 than 65.
Dale Ellis wrote:
| Quote: |
I have access to and fly a RV-6A with a O-320. Phillips X-C 20-50 oil
is used. I have noticed that when oil is 'cold' and for the first few
minutes of flight, the pressure is up to the 80-85 PSI range as you
describe. When the oil temp gets to 180-190, then the pressure goes
down to the 65 PSI range, again as you describe. All of these values
are measured with Vans gauges (of unknown accuracy and pedigree!). I
suspect that what your are seeing is normal. But this just one
opinion!!
Now please join me in my efforts to stomp out down aileron!!
Dale
On Sat, Sep 5, 2009 at 1:30 AM, mark phipps <skydive80020(at)yahoo.com> wrote:
> --- On Fri, 9/4/09, mark phipps <skydive80020(at)yahoo.com> wrote:
>
> From: mark phipps <skydive80020(at)yahoo.com>
> Subject: High oil pressure indications
> To: lycoming(at)yahoogroups.com
> Date: Friday, September 4, 2009, 9:22 PM
> Since I finished my condition inspection 2 weeks ago I have flown 6 times. I an O320 with 240 hours and Grand Rapids engine monitor and EFIS. I have had a few instances of the oil pressure showing about 91 or 92 and alarming for about one minute, and then it goes down to the usual range around 60 to 65. During the last few flights it was around 86 to 88 during the first few muntes of flight and than back down to 65. Not sure if it is safe to fly or what the problem is. My guess is pressure sensor or relief valve. Any ideas.
>
> Mark, RV6A, 240 hours
>
>
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colm.oreilly(at)gmail.com
Guest
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| Posted: Sat Sep 05, 2009 8:32 am Post subject: High oil pressure indications |
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Are you spending enough time warming up before takeoff ?
On Sep 5, 2009, at 11:21 AM, Jerry Springer wrote:
| Quote: |
Normal oil pressure range 65-85, idle 25 psi, I would rather see it
closer to 80 than 65.
Dale Ellis wrote:
>
>
> I have access to and fly a RV-6A with a O-320. Phillips X-C 20-50
> oil
> is used. I have noticed that when oil is 'cold' and for the first
> few
> minutes of flight, the pressure is up to the 80-85 PSI range as you
> describe. When the oil temp gets to 180-190, then the pressure goes
> down to the 65 PSI range, again as you describe. All of these values
> are measured with Vans gauges (of unknown accuracy and pedigree!). I
> suspect that what your are seeing is normal. But this just one
> opinion!!
>
> Now please join me in my efforts to stomp out down aileron!!
>
> Dale
>
> On Sat, Sep 5, 2009 at 1:30 AM, mark phipps
> <skydive80020(at)yahoo.com> wrote:
>
>> --- On Fri, 9/4/09, mark phipps <skydive80020(at)yahoo.com> wrote:
>>
>> From: mark phipps <skydive80020(at)yahoo.com>
>> Subject: High oil pressure indications
>> To: lycoming(at)yahoogroups.com
>> Date: Friday, September 4, 2009, 9:22 PM
>>
>>
>> Since I finished my condition inspection 2 weeks ago I have flown
>> 6 times. I an O320 with 240 hours and Grand Rapids engine monitor
>> and EFIS. I have had a few instances of the oil pressure showing
>> about 91 or 92 and alarming for about one minute, and then it goes
>> down to the usual range around 60 to 65. During the last few
>> flights it was around 86 to 88 during the first few muntes of
>> flight and than back down to 65. Not sure if it is safe to fly or
>> what the problem is. My guess is pressure sensor or relief valve.
>> Any ideas.
>>
>> Mark, RV6A, 240 hours
>>
>>
>>
>>
|
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Bubblehead
Joined: 26 Oct 2007
Posts: 48
Location: N. Richland Hills, TX
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| Posted: Tue Sep 08, 2009 6:40 am Post subject: Re: High oil pressure indications |
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I have an EIS-4000 from Grand Rapids and am having the same problem. It started after I changed oil and filter and had pulled and checked the screen. I've test flown it twice and oil temperatures and power and CHTs were same as always so I don't think I have an oil flow problem but would feel better if the indication was normal too.
I emailed GRT and got a nice reply saying that if the sensor is not well grounded it will show 99 psi. They recommended I check all the connections. When I installed the sensor last winter I put a small aluminum tab between the case of the sensor and the Adel clamp, and ran a separate ground wire. Perhaps the tab has loosened a bit and the ground has gotten flaky. I will check the connections next time at the airport.
GRT also said that you should not use tape between the oil hose and the sensor so that the sensor can ground through the hose to the engine.
| | - The Matronics RV-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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_________________
John
Keller, TX
RV-8 N247TD |
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